forked from OSchip/llvm-project
24 lines
1002 B
LLVM
24 lines
1002 B
LLVM
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; RUN: opt -debugify -memcpyopt -check-debugify -S < %s 2>&1 | FileCheck %s
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; CHECK: CheckModuleDebugify: PASS
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; CHECK-LABEL: define {{.*}} @_Z3bar3Foo
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; CHECK: [[target:%.*]] = load i8*, i8** bitcast (%struct.Foo** @a to i8**), align 8, !dbg
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; CHECK: %tmpcast = bitcast i8* [[target]] to %struct.Foo*, !dbg
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%struct.Foo = type { i64, i64, i64 }
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@a = dso_local global %struct.Foo* null, align 8
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define dso_local void @_Z3bar3Foo(%struct.Foo* byval(%struct.Foo) align 8 %0) {
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entry:
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%agg.tmp = alloca %struct.Foo, align 8
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%1 = load i8*, i8** bitcast (%struct.Foo** @a to i8**), align 8
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%2 = bitcast %struct.Foo* %agg.tmp to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 dereferenceable(24) %2, i8* nonnull align 8 dereferenceable(24) %1, i64 24, i1 false)
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call void @_Z3bar3Foo(%struct.Foo* nonnull byval(%struct.Foo) align 8 %agg.tmp)
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg) #0
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